PubMed Health⌕ Search

Biomedical subjects

A N Rowan

Publications and source records attributed to A N Rowan.

At least 19 recordsLinked to original sources
PubMed1993

Formulation of ethical standards for use of animals in medical research.

In the past 200 years, moral theories and attitudes toward both humans and animals have changed considerably. These changes have led to widespread criticism of animal use in some or all research and testing. For the most part, the debate has been marked more by rhetoric than scholarship, but the underlying philosophical theories and their protagonists have been a very important influence on the modern debate over animal use. This paper examines some of the moral philosophy and attempts to present the main arguments concisely and simply and to refute common misconceptions.

Animal Experimentation↗
PubMed1990

Refinement of animal research technique and validity of research data.

Refinement of research techniques using animals will lead to less animal distress and, at the same time, will usually lead to higher quality and more robust data. For example, acclimation of laboratory animals to handling and experimental procedures will produce not only an animal that is easier to handle but also one that reacts to the experimental stimulus rather than to the handler. Even when the animal is acclimated to handling, handling or anesthesia can cause marked changes to commonly measured biological parameters such as serum hormone and tissue metabolite levels. Standard animal housing systems are also stressful to the animals. One research report, for example, found that mice in conventional facilities had plasma corticosterone values of 150-500 ng/ml compared to values below 35 ng/ml from mice kept in special "low-stress" housing. However, assessment of stress in animal research is not easy and few technicians or research scientists are good judges of moderate stress. Investigators in the United Kingdom have recently published a report on a new technique that might allow more objective assessment of discomfort in laboratory rats and mice. The amount of exploratory behavior in treated and control animals can be used for developing a Disturbance Index (DI). The DI is a measure of the extent to which a procedure or treatment causes a departure from normal behavior. The initial data using the DI indicate that it could be a promising approach for assessing animal well-being (or the lack of it).

Animal Husbandry↗
PubMed1984

The future of animals in research and training. The search for alternatives.

Animal welfare and antivivisection groups have protested against animal research for the last 150 years. However, they have recently (ca. 20 years ago) injected a new element into the debate by pressing for the development and application of alternatives. By this, they mean the development of techniques which could replace or reduce the use of laboratory animals, or the refinement of existing techniques to reduce animal suffering. Animal welfare concerns have focused on toxicology testing in particular. Of course, the state of the art in toxicology had advanced considerably in the last 20 years and some of the changes have resulted in a reduction of the use of animals. Nevertheless, the animal welfare movement seeks a more specific program which will review testing guidelines and support the development of new techniques which will reduce or eliminate animal use. Carcinogen detection, Draize eye irritancy testing, and LD50 testing are three specific areas where the pressure for alternatives development has been strongest. The prospects for alternatives in each of these three areas are briefly discussed together with one or two comments about possible future trends.

Animal Testing Alternatives↗
PubMed1980

The concept of the three R's. An introduction.

The development of the concept of the three R's--Replacement, Reduction and Refinement--is outlined. The concept has changed slightly since the early days and is now known as "alternatives to laboratory animals". Several examples of replacement, reduction and refinement systems are given with special emphasis on biological standardization. Suggestions for action by national and international bodies are included in the conclusion.

Animals↗